Origin of Thor [Marvel Super Heroes Commander] (Display Case)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — You may discard a card. If you do, draw two cards.
II — Whenever you cast a spell this turn, put a +1/+1 counter on target creature you control.
III — Target creature you control deals damage equal to its power to each opponent.